/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.mpp.plan.statement.component;

import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.db.mpp.plan.statement.StatementNode;

import java.util.List;
import java.util.stream.Collectors;

import static org.apache.commons.lang3.StringUtils.SPACE;
import static org.apache.iotdb.commons.conf.IoTDBConstant.DOUBLE_COLONS;
import static org.apache.iotdb.commons.conf.IoTDBConstant.LEVELED_PATH_TEMPLATE_PATTERN;

public class IntoItem extends StatementNode {

    private final PartialPath intoDevice;
    private final List<String> intoMeasurements;
    private final boolean isAligned;

    public IntoItem(PartialPath intoDevice, List<String> intoMeasurements, boolean isAligned) {
        this.intoDevice = intoDevice;
        this.intoMeasurements = intoMeasurements;
        this.isAligned = isAligned;
    }

    public PartialPath getIntoDevice() {
        return intoDevice;
    }

    public List<String> getIntoMeasurements() {
        return intoMeasurements;
    }

    public boolean isAligned() {
        return isAligned;
    }

    public boolean isDeviceExistPlaceholder() {
        return intoDevice.containNode(DOUBLE_COLONS)
                || LEVELED_PATH_TEMPLATE_PATTERN.matcher(intoDevice.getFullPath()).find();
    }

    public boolean isMeasurementsExistPlaceholder() {
        for (String measurement : intoMeasurements) {
            if (measurement.equals(DOUBLE_COLONS)
                    || LEVELED_PATH_TEMPLATE_PATTERN.matcher(measurement).find()) {
                return true;
            }
        }
        return false;
    }

    public List<PartialPath> getIntoPaths() {
        return intoMeasurements.stream().map(intoDevice::concatNode).collect(Collectors.toList());
    }

    public String toSQLString() {
        StringBuilder sqlBuilder = new StringBuilder();
        sqlBuilder.append(intoDevice);
        sqlBuilder.append('(');
        for (int i = 0; i < intoMeasurements.size(); i++) {
            sqlBuilder.append(intoMeasurements.get(i));
            if (i < intoMeasurements.size() - 1) {
                sqlBuilder.append(',').append(SPACE);
            }
        }
        sqlBuilder.append(')');
        return sqlBuilder.toString();
    }
}
